At equilibrium, the mass of each of the reactants and products r
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    Equilibrium

    Multiple Choice QuestionsShort Answer Type

    11.

    Mention a reversible reaction.

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    12.

    What is the role of forward and backward reactions at equilibrium of a reversible reaction?

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    13.

    What is a forward reaction?

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    14.

    What condition favours a reversible reaction?

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    15.

    What is a backward reaction?

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    16.

    What type of equilibrium is attained in a reversibe chemical change?

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    17.

    What is meant by a system at dynamic equilibrium?

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    18.

    discuss the effect of a catalyst on equilibrium ? 

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    19. At equilibrium, the mass of each of the reactants and products remains constant. Does it mean that the reaction has stopped? Explain.

    No, the reaction does not stop. It continues to take place in the forward as well as backwards directions but at equal speeds.
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    20. What is the effect of a catalyst on the position of equilibrium?
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